This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "friend.h"
#include<algorithm>
using namespace std;
int dp[100001][2];
int findSample(int n, int confidence[], int host[], int protocol[]){
int i;
for(i=0;i<n;i++){
dp[i][0]=confidence[i];
}
for(i=n-1;i>=1;i--){
if(protocol[i]==0){
dp[host[i]][0]+=dp[i][1];
dp[host[i]][1]=max(dp[host[i]][1]+dp[i][1],dp[host[i]][1]+dp[i][0]);
}else if(protocol[i]==1){
dp[host[i]][0]=max(dp[host[i]][0]+dp[i][0],max(dp[host[i]][0]+dp[i][1],dp[host[i]][1]+dp[i][0]));
dp[host[i]][1]+=dp[i][1];
}else{
dp[host[i]][0]=max(dp[host[i]][0]+dp[i][1],dp[host[i]][1]+dp[i][0]);
dp[host[i]][1]+=dp[i][1];
}
}
return max(dp[0][0],dp[0][1]);
}
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